/*
 * #%L
 * P6Spy
 * %%
 * Copyright (C) 2002 - 2016 P6Spy
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */
package com.p6spy.engine.logging;

import com.p6spy.engine.common.Loggable;

import java.sql.SQLException;

/**
 * Extends {@link LoggingEventListener} and only logs if an exception has occurred.
 * <p/>
 * To activate this class, add <code>com.p6spy.engine.logging.ErrorLoggingEventListener</code> to the file
 * <code>src/main/resources/META-INF/services/com.p6spy.engine.logging.LoggingEventListener</code>.
 */
public class ErrorLoggingEventListener extends LoggingEventListener {
  @Override
  protected void logElapsed(Loggable loggable, long timeElapsedNanos, Category category, SQLException e) {
    if (e != null) {
      super.logElapsed(loggable, timeElapsedNanos, category, e);
    }
  }
}
